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Windsor September Weather

Averages and records for weather in Windsor, Ontario in the month of September.

Typical Windsor September Weather 1991–2020
Average daily high	24.1 °C
Average daily low	13.8 °C
Average monthly precipitation	9.4 cm
Average monthly snow	none
Daily chance of precipitation	32.6%
Daily chance of snow	0%

Windsor September Weather Records 1940–2024
Highest temperature	37.2 °C	September 5, 1954
Lowest temperature	-1.1 °C	September 29, 1942
Highest daily low	24.5 °C	September 8, 2016
Lowest daily high	7.2 °C	September 29, 1967
Hottest average high temperature	27.0 °C	2002
Coldest average high temperature	19.2 °C	1975
Most daily precipitation	14.7 cm	September 28, 2016
Most monthly precipitation	24.6 cm	1981
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
September 1	26.3	16.2	36.7	7.8
September 2	26.2	16.1	37.2	5.6
September 3	26.1	16.0	37.2	5.6
September 4	26.0	15.8	33.5	6.7
September 5	25.9	15.7	37.2	7.2
September 6	25.8	15.6	33.7	6.7
September 7	25.6	15.5	34.0	6.7
September 8	25.5	15.3	36.5	4.4
September 9	25.3	15.1	33.0	5.0
September 10	25.1	14.8	36.0	6.7
September 11	24.9	14.6	34.5	3.3
September 12	24.7	14.4	34.4	2.2
September 13	24.6	14.3	35.0	3.9
September 14	24.3	14.1	32.5	2.8
September 15	24.1	13.8	33.3	5.0
September 16	23.9	13.6	31.7	4.4
September 17	23.7	13.4	32.8	2.2
September 18	23.4	13.2	32.8	2.2
September 19	23.2	13.0	33.3	1.8
September 20	23.0	12.8	32.5	1.7
September 21	22.7	12.6	32.5	1.7
September 22	22.5	12.4	31.7	3.5
September 23	22.3	12.1	31.5	0.0
September 24	22.2	11.9	31.5	1.7
September 25	22.0	11.7	31.5	1.1
September 26	21.8	11.5	33.5	0.6
September 27	21.6	11.3	31.0	1.1
September 28	21.3	11.1	30.0	-0.6
September 29	21.1	10.9	30.6	-1.1
September 30	20.9	10.7	28.5	0.6

Weather Station Details

Years	Station	Coordinates
1994–2024	Windsor Riverside	location
1940–1993	Windsor A	location